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Financial Instruments - Fair value of Assets and Liabilities (Table) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Derivatives, Fair Value [Line Items]
Forward contracts-liability position	$ (490)	$ (1,009)
Interest rate swaps-liability position	(65,585)	(73,931)
Total	(66,075)	(74,940)
Interest rate swaps-liability position	65,585	73,931
Fair Value Inputs Level 1 [Member]
Derivatives, Fair Value [Line Items]
Forward contracts-liability position	0	0
Interest rate swaps-liability position	0	0
Total	0	0
Interest rate swaps-liability position	0	0
Fair Value Inputs Level 2 [Member]
Derivatives, Fair Value [Line Items]
Forward contracts-liability position	(490)	(1,009)
Interest rate swaps-liability position	(65,585)	(73,931)
Total	(66,075)	(74,940)
Interest rate swaps-liability position	65,585	73,931
Fair Value Inputs Level 3 [Member]
Derivatives, Fair Value [Line Items]
Forward contracts-liability position	0	0
Interest rate swaps-liability position	0	0
Total	0	0
Interest rate swaps-liability position	$ 0	$ 0

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Fair value as of the balance sheet date of all foreign currency derivative assets not designated as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 815



-SubTopic 10



-Section 50



-Paragraph 4B



-Subparagraph (c)(2)



-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624163-113959

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- Definition

Fair value as of the balance sheet date of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 825



-SubTopic 10



-Section 50



-Paragraph 10



-Subparagraph (a)



-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13433-108611

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